Booking Holdings announced a primary offering of euro-denominated senior unsecured notes in two series, according to a preliminary prospectus supplement filed with the SEC. The company did not disclose the total size of the offering. The interest on the notes will be paid annually. The proceeds from the sale are intended for general corporate purposes, which may include share repurchases and the repayment of existing debt. The notes will be listed on the Nasdaq Bond Exchange and are set to rank equally with the company's other senior unsecured debt. No market reaction analysis was available in the initial reports of the offering.